_forms.scss (16779B)
1 // 2 // Forms 3 // -------------------------------------------------- 4 5 6 // Normalize non-controls 7 // 8 // Restyle and baseline non-control form elements. 9 10 fieldset { 11 padding: 0; 12 margin: 0; 13 border: 0; 14 // Chrome and Firefox set a `min-width: min-content;` on fieldsets, 15 // so we reset that to ensure it behaves more like a standard block element. 16 // See https://github.com/twbs/bootstrap/issues/12359. 17 min-width: 0; 18 } 19 20 legend { 21 display: block; 22 width: 100%; 23 padding: 0; 24 margin-bottom: $line-height-computed; 25 font-size: ($font-size-base * 1.5); 26 line-height: inherit; 27 color: $legend-color; 28 border: 0; 29 border-bottom: 1px solid $legend-border-color; 30 } 31 32 label { 33 display: inline-block; 34 max-width: 100%; // Force IE8 to wrap long content (see https://github.com/twbs/bootstrap/issues/13141) 35 margin-bottom: 5px; 36 font-weight: bold; 37 } 38 39 40 // Normalize form controls 41 // 42 // While most of our form styles require extra classes, some basic normalization 43 // is required to ensure optimum display with or without those classes to better 44 // address browser inconsistencies. 45 46 // Override content-box in Normalize (* isn't specific enough) 47 input[type="search"] { 48 @include box-sizing(border-box); 49 } 50 51 // Position radios and checkboxes better 52 input[type="radio"], 53 input[type="checkbox"] { 54 margin: 4px 0 0; 55 margin-top: 1px \9; // IE8-9 56 line-height: normal; 57 } 58 59 input[type="file"] { 60 display: block; 61 } 62 63 // Make range inputs behave like textual form controls 64 input[type="range"] { 65 display: block; 66 width: 100%; 67 } 68 69 // Make multiple select elements height not fixed 70 select[multiple], 71 select[size] { 72 height: auto; 73 } 74 75 // Focus for file, radio, and checkbox 76 input[type="file"]:focus, 77 input[type="radio"]:focus, 78 input[type="checkbox"]:focus { 79 @include tab-focus; 80 } 81 82 // Adjust output element 83 output { 84 display: block; 85 padding-top: ($padding-base-vertical + 1); 86 font-size: $font-size-base; 87 line-height: $line-height-base; 88 color: $input-color; 89 } 90 91 92 // Common form controls 93 // 94 // Shared size and type resets for form controls. Apply `.form-control` to any 95 // of the following form controls: 96 // 97 // select 98 // textarea 99 // input[type="text"] 100 // input[type="password"] 101 // input[type="datetime"] 102 // input[type="datetime-local"] 103 // input[type="date"] 104 // input[type="month"] 105 // input[type="time"] 106 // input[type="week"] 107 // input[type="number"] 108 // input[type="email"] 109 // input[type="url"] 110 // input[type="search"] 111 // input[type="tel"] 112 // input[type="color"] 113 114 .form-control { 115 display: block; 116 width: 100%; 117 height: $input-height-base; // Make inputs at least the height of their button counterpart (base line-height + padding + border) 118 padding: $padding-base-vertical $padding-base-horizontal; 119 font-size: $font-size-base; 120 line-height: $line-height-base; 121 color: $input-color; 122 background-color: $input-bg; 123 background-image: none; // Reset unusual Firefox-on-Android default style; see https://github.com/necolas/normalize.css/issues/214 124 border: 1px solid $input-border; 125 border-radius: $input-border-radius; // Note: This has no effect on <select>s in some browsers, due to the limited stylability of <select>s in CSS. 126 @include box-shadow(inset 0 1px 1px rgba(0,0,0,.075)); 127 @include transition(border-color ease-in-out .15s, box-shadow ease-in-out .15s); 128 129 // Customize the `:focus` state to imitate native WebKit styles. 130 @include form-control-focus; 131 132 // Placeholder 133 @include placeholder; 134 135 // Unstyle the caret on `<select>`s in IE10+. 136 &::-ms-expand { 137 border: 0; 138 background-color: transparent; 139 } 140 // Disabled and read-only inputs 141 // 142 // HTML5 says that controls under a fieldset > legend:first-child won't be 143 // disabled if the fieldset is disabled. Due to implementation difficulty, we 144 // don't honor that edge case; we style them as disabled anyway. 145 &[disabled], 146 &[readonly], 147 fieldset[disabled] & { 148 background-color: $input-bg-disabled; 149 opacity: 1; // iOS fix for unreadable disabled content; see https://github.com/twbs/bootstrap/issues/11655 150 } 151 152 &[disabled], 153 fieldset[disabled] & { 154 cursor: $cursor-disabled; 155 } 156 157 // [converter] extracted textarea& to textarea.form-control 158 } 159 160 // Reset height for `textarea`s 161 textarea.form-control { 162 height: auto; 163 } 164 165 166 // Search inputs in iOS 167 // 168 // This overrides the extra rounded corners on search inputs in iOS so that our 169 // `.form-control` class can properly style them. Note that this cannot simply 170 // be added to `.form-control` as it's not specific enough. For details, see 171 // https://github.com/twbs/bootstrap/issues/11586. 172 173 input[type="search"] { 174 -webkit-appearance: none; 175 } 176 177 178 // Special styles for iOS temporal inputs 179 // 180 // In Mobile Safari, setting `display: block` on temporal inputs causes the 181 // text within the input to become vertically misaligned. As a workaround, we 182 // set a pixel line-height that matches the given height of the input, but only 183 // for Safari. See https://bugs.webkit.org/show_bug.cgi?id=139848 184 // 185 // Note that as of 9.3, iOS doesn't support `week`. 186 187 @media screen and (-webkit-min-device-pixel-ratio: 0) { 188 input[type="date"], 189 input[type="time"], 190 input[type="datetime-local"], 191 input[type="month"] { 192 &.form-control { 193 line-height: $input-height-base; 194 } 195 196 &.input-sm, 197 .input-group-sm & { 198 line-height: $input-height-small; 199 } 200 201 &.input-lg, 202 .input-group-lg & { 203 line-height: $input-height-large; 204 } 205 } 206 } 207 208 209 // Form groups 210 // 211 // Designed to help with the organization and spacing of vertical forms. For 212 // horizontal forms, use the predefined grid classes. 213 214 .form-group { 215 margin-bottom: $form-group-margin-bottom; 216 } 217 218 219 // Checkboxes and radios 220 // 221 // Indent the labels to position radios/checkboxes as hanging controls. 222 223 .radio, 224 .checkbox { 225 position: relative; 226 display: block; 227 margin-top: 10px; 228 margin-bottom: 10px; 229 230 label { 231 min-height: $line-height-computed; // Ensure the input doesn't jump when there is no text 232 padding-left: 20px; 233 margin-bottom: 0; 234 font-weight: normal; 235 cursor: pointer; 236 } 237 } 238 .radio input[type="radio"], 239 .radio-inline input[type="radio"], 240 .checkbox input[type="checkbox"], 241 .checkbox-inline input[type="checkbox"] { 242 position: absolute; 243 margin-left: -20px; 244 margin-top: 4px \9; 245 } 246 247 .radio + .radio, 248 .checkbox + .checkbox { 249 margin-top: -5px; // Move up sibling radios or checkboxes for tighter spacing 250 } 251 252 // Radios and checkboxes on same line 253 .radio-inline, 254 .checkbox-inline { 255 position: relative; 256 display: inline-block; 257 padding-left: 20px; 258 margin-bottom: 0; 259 vertical-align: middle; 260 font-weight: normal; 261 cursor: pointer; 262 } 263 .radio-inline + .radio-inline, 264 .checkbox-inline + .checkbox-inline { 265 margin-top: 0; 266 margin-left: 10px; // space out consecutive inline controls 267 } 268 269 // Apply same disabled cursor tweak as for inputs 270 // Some special care is needed because <label>s don't inherit their parent's `cursor`. 271 // 272 // Note: Neither radios nor checkboxes can be readonly. 273 input[type="radio"], 274 input[type="checkbox"] { 275 &[disabled], 276 &.disabled, 277 fieldset[disabled] & { 278 cursor: $cursor-disabled; 279 } 280 } 281 // These classes are used directly on <label>s 282 .radio-inline, 283 .checkbox-inline { 284 &.disabled, 285 fieldset[disabled] & { 286 cursor: $cursor-disabled; 287 } 288 } 289 // These classes are used on elements with <label> descendants 290 .radio, 291 .checkbox { 292 &.disabled, 293 fieldset[disabled] & { 294 label { 295 cursor: $cursor-disabled; 296 } 297 } 298 } 299 300 301 // Static form control text 302 // 303 // Apply class to a `p` element to make any string of text align with labels in 304 // a horizontal form layout. 305 306 .form-control-static { 307 // Size it appropriately next to real form controls 308 padding-top: ($padding-base-vertical + 1); 309 padding-bottom: ($padding-base-vertical + 1); 310 // Remove default margin from `p` 311 margin-bottom: 0; 312 min-height: ($line-height-computed + $font-size-base); 313 314 &.input-lg, 315 &.input-sm { 316 padding-left: 0; 317 padding-right: 0; 318 } 319 } 320 321 322 // Form control sizing 323 // 324 // Build on `.form-control` with modifier classes to decrease or increase the 325 // height and font-size of form controls. 326 // 327 // The `.form-group-* form-control` variations are sadly duplicated to avoid the 328 // issue documented in https://github.com/twbs/bootstrap/issues/15074. 329 330 @include input-size('.input-sm', $input-height-small, $padding-small-vertical, $padding-small-horizontal, $font-size-small, $line-height-small, $input-border-radius-small); 331 .form-group-sm { 332 .form-control { 333 height: $input-height-small; 334 padding: $padding-small-vertical $padding-small-horizontal; 335 font-size: $font-size-small; 336 line-height: $line-height-small; 337 border-radius: $input-border-radius-small; 338 } 339 select.form-control { 340 height: $input-height-small; 341 line-height: $input-height-small; 342 } 343 textarea.form-control, 344 select[multiple].form-control { 345 height: auto; 346 } 347 .form-control-static { 348 height: $input-height-small; 349 min-height: ($line-height-computed + $font-size-small); 350 padding: ($padding-small-vertical + 1) $padding-small-horizontal; 351 font-size: $font-size-small; 352 line-height: $line-height-small; 353 } 354 } 355 356 @include input-size('.input-lg', $input-height-large, $padding-large-vertical, $padding-large-horizontal, $font-size-large, $line-height-large, $input-border-radius-large); 357 .form-group-lg { 358 .form-control { 359 height: $input-height-large; 360 padding: $padding-large-vertical $padding-large-horizontal; 361 font-size: $font-size-large; 362 line-height: $line-height-large; 363 border-radius: $input-border-radius-large; 364 } 365 select.form-control { 366 height: $input-height-large; 367 line-height: $input-height-large; 368 } 369 textarea.form-control, 370 select[multiple].form-control { 371 height: auto; 372 } 373 .form-control-static { 374 height: $input-height-large; 375 min-height: ($line-height-computed + $font-size-large); 376 padding: ($padding-large-vertical + 1) $padding-large-horizontal; 377 font-size: $font-size-large; 378 line-height: $line-height-large; 379 } 380 } 381 382 383 // Form control feedback states 384 // 385 // Apply contextual and semantic states to individual form controls. 386 387 .has-feedback { 388 // Enable absolute positioning 389 position: relative; 390 391 // Ensure icons don't overlap text 392 .form-control { 393 padding-right: ($input-height-base * 1.25); 394 } 395 } 396 // Feedback icon (requires .glyphicon classes) 397 .form-control-feedback { 398 position: absolute; 399 top: 0; 400 right: 0; 401 z-index: 2; // Ensure icon is above input groups 402 display: block; 403 width: $input-height-base; 404 height: $input-height-base; 405 line-height: $input-height-base; 406 text-align: center; 407 pointer-events: none; 408 } 409 .input-lg + .form-control-feedback, 410 .input-group-lg + .form-control-feedback, 411 .form-group-lg .form-control + .form-control-feedback { 412 width: $input-height-large; 413 height: $input-height-large; 414 line-height: $input-height-large; 415 } 416 .input-sm + .form-control-feedback, 417 .input-group-sm + .form-control-feedback, 418 .form-group-sm .form-control + .form-control-feedback { 419 width: $input-height-small; 420 height: $input-height-small; 421 line-height: $input-height-small; 422 } 423 424 // Feedback states 425 .has-success { 426 @include form-control-validation($state-success-text, $state-success-text, $state-success-bg); 427 } 428 .has-warning { 429 @include form-control-validation($state-warning-text, $state-warning-text, $state-warning-bg); 430 } 431 .has-error { 432 @include form-control-validation($state-danger-text, $state-danger-text, $state-danger-bg); 433 } 434 435 // Reposition feedback icon if input has visible label above 436 .has-feedback label { 437 438 & ~ .form-control-feedback { 439 top: ($line-height-computed + 5); // Height of the `label` and its margin 440 } 441 &.sr-only ~ .form-control-feedback { 442 top: 0; 443 } 444 } 445 446 447 // Help text 448 // 449 // Apply to any element you wish to create light text for placement immediately 450 // below a form control. Use for general help, formatting, or instructional text. 451 452 .help-block { 453 display: block; // account for any element using help-block 454 margin-top: 5px; 455 margin-bottom: 10px; 456 color: lighten($text-color, 25%); // lighten the text some for contrast 457 } 458 459 460 // Inline forms 461 // 462 // Make forms appear inline(-block) by adding the `.form-inline` class. Inline 463 // forms begin stacked on extra small (mobile) devices and then go inline when 464 // viewports reach <768px. 465 // 466 // Requires wrapping inputs and labels with `.form-group` for proper display of 467 // default HTML form controls and our custom form controls (e.g., input groups). 468 // 469 // Heads up! This is mixin-ed into `.navbar-form` in navbars.less. 470 471 // [converter] extracted from `.form-inline` for libsass compatibility 472 @mixin form-inline { 473 474 // Kick in the inline 475 @media (min-width: $screen-sm-min) { 476 // Inline-block all the things for "inline" 477 .form-group { 478 display: inline-block; 479 margin-bottom: 0; 480 vertical-align: middle; 481 } 482 483 // In navbar-form, allow folks to *not* use `.form-group` 484 .form-control { 485 display: inline-block; 486 width: auto; // Prevent labels from stacking above inputs in `.form-group` 487 vertical-align: middle; 488 } 489 490 // Make static controls behave like regular ones 491 .form-control-static { 492 display: inline-block; 493 } 494 495 .input-group { 496 display: inline-table; 497 vertical-align: middle; 498 499 .input-group-addon, 500 .input-group-btn, 501 .form-control { 502 width: auto; 503 } 504 } 505 506 // Input groups need that 100% width though 507 .input-group > .form-control { 508 width: 100%; 509 } 510 511 .control-label { 512 margin-bottom: 0; 513 vertical-align: middle; 514 } 515 516 // Remove default margin on radios/checkboxes that were used for stacking, and 517 // then undo the floating of radios and checkboxes to match. 518 .radio, 519 .checkbox { 520 display: inline-block; 521 margin-top: 0; 522 margin-bottom: 0; 523 vertical-align: middle; 524 525 label { 526 padding-left: 0; 527 } 528 } 529 .radio input[type="radio"], 530 .checkbox input[type="checkbox"] { 531 position: relative; 532 margin-left: 0; 533 } 534 535 // Re-override the feedback icon. 536 .has-feedback .form-control-feedback { 537 top: 0; 538 } 539 } 540 } 541 // [converter] extracted as `@mixin form-inline` for libsass compatibility 542 .form-inline { 543 @include form-inline; 544 } 545 546 547 548 // Horizontal forms 549 // 550 // Horizontal forms are built on grid classes and allow you to create forms with 551 // labels on the left and inputs on the right. 552 553 .form-horizontal { 554 555 // Consistent vertical alignment of radios and checkboxes 556 // 557 // Labels also get some reset styles, but that is scoped to a media query below. 558 .radio, 559 .checkbox, 560 .radio-inline, 561 .checkbox-inline { 562 margin-top: 0; 563 margin-bottom: 0; 564 padding-top: ($padding-base-vertical + 1); // Default padding plus a border 565 } 566 // Account for padding we're adding to ensure the alignment and of help text 567 // and other content below items 568 .radio, 569 .checkbox { 570 min-height: ($line-height-computed + ($padding-base-vertical + 1)); 571 } 572 573 // Make form groups behave like rows 574 .form-group { 575 @include make-row; 576 } 577 578 // Reset spacing and right align labels, but scope to media queries so that 579 // labels on narrow viewports stack the same as a default form example. 580 @media (min-width: $screen-sm-min) { 581 .control-label { 582 text-align: right; 583 margin-bottom: 0; 584 padding-top: ($padding-base-vertical + 1); // Default padding plus a border 585 } 586 } 587 588 // Validation states 589 // 590 // Reposition the icon because it's now within a grid column and columns have 591 // `position: relative;` on them. Also accounts for the grid gutter padding. 592 .has-feedback .form-control-feedback { 593 right: floor(($grid-gutter-width / 2)); 594 } 595 596 // Form group sizes 597 // 598 // Quick utility class for applying `.input-lg` and `.input-sm` styles to the 599 // inputs and labels within a `.form-group`. 600 .form-group-lg { 601 @media (min-width: $screen-sm-min) { 602 .control-label { 603 padding-top: ($padding-large-vertical + 1); 604 font-size: $font-size-large; 605 } 606 } 607 } 608 .form-group-sm { 609 @media (min-width: $screen-sm-min) { 610 .control-label { 611 padding-top: ($padding-small-vertical + 1); 612 font-size: $font-size-small; 613 } 614 } 615 } 616 }